Zhongchao Xu, Jun Liu, Haiyan Lu, Wei Cheng, Feng Qian, H. Tao
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A Broadband Model Over 1–325 GHz for GSG Pad Structure in InP HBT Technology
A broadband model for Ground-Signal-Ground (GSG) pad in InP HBT technology is presented. The inductive parasitics of the structure is considered. A method to analytically extract the model parameters is proposed. For model extraction convenience, the pad is designed as structure of one-side. The model renders excellent agreement with the measured and simulated data over 1 to 325 GHz, for a pad structure manufactured in 0.5um InP HBT technology.